| Title | Authors | Year | 
|---|---|---|
| The effect of air pollution from nitrogen dioxide (NO2) on epiphytic lichens in Seville, Spain. | 
                               Funetes, J.…  | 
                                                                                        1998 | 
| A review of boron effects in the environment | 
                               Howe, P. D…  | 
                                                                                        1998 | 
| Assessment of Cd, Pb and Zn contamination in roadside soils and grasses from Gipuzkoa (Spain) | 
                               Garcia, R…  | 
                                                                                        1998 | 
| Studies on the egg quality of the Great Tit (Parus major) in relation to soil-condition. | 
                               Weimer, V…  | 
                                                                                        1998 | 
| Boron, zinc iron and managanese content in four grassland species | 
                               Adarve, M.…  | 
                                                                                        1998 | 
| Environmental Health Criteria 200 Copper | 
                               WHO,  | 
                                                                                        1998 | 
| Air pollution fades the plumage of the Great Tit | 
                               Eeva, T.; E…  | 
                                                                                        1998 | 
| The phytoavailability of cadmium to lettuce in long-term biosolids-amended soils | 
                               Brown, S. L…  | 
                                                                                        1998 | 
| Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the N inputs of sensitive ecosystems | 
                               Fowler, D…  | 
                                                                                        1998 | 
| Effects of ammonia deposition on forests in the Netherlands | 
                               Van der…  | 
                                                                                        1998 |